178602025-09-19 20:22:40KristófElágazás nélküli úton levő települések (50 pont)cpp17Forditási hiba
#include <iostream>
#include <vector>


using namespace std;

void solver(vector <bool> &visit,int s,vector<vector<int>> &graph,vector<int> &ans)
{
if(graph[s].size()==2)
    {
    ans.push_back(s);
    visit[s]=true;
    for(auto x : graph[s])
        {
        if(!visit[x])
            solver(visit,x,graph,ans);
        }
    }
else
    {
    visit[s]=true;
    ans.push_back(s);
    }


}



int main()
{
    int n,m;
    cin>>n>>m;
    vector<vector<int>> graph(n+1);
    int tmp1,tmp2;
    for(int i=0;i<m;i++)
        {
        cin>>tmp1>>tmp2;
        graph[tmp1].push_back(tmp2);
        graph[tmp2].push_back(tmp1);
        }
    vector<int> ends;
    for(int i=1;i<=n;i++)
        {
        if(graph[i].size()==1)
            {
            ends.push_back(i);
            }
        }
  //  for(auto x : ends)
  //      {
   //     cout<<x<<" ";
   //     }
   vector<bool> visit(n+1,false);
   vector<int> ans;
   for(auto i : ends)
    {
    if(!visit[i])
        {
        visit[i]=true;
        if(!visit[grap[i][0])
            {
            solver(visit,graph[i][0],graph,ans)
            }
       ;
        }
    }
   cout<<ans.size()<<endl;
   for(auto x : ans)
    {
    cout<<x<<" ";
    }
    return 0;
}
Forditási hiba
open /var/local/lib/isolate/436/box/a.out: no such file or directory
main.cpp: In function 'int main()':
main.cpp:61:19: error: 'grap' was not declared in this scope; did you mean 'graph'?
   61 |         if(!visit[grap[i][0])
      |                   ^~~~
      |                   graph
main.cpp:61:29: error: expected ']' before ')' token
   61 |         if(!visit[grap[i][0])
      |                             ^
      |                             ]
main.cpp:63:48: error: expected ';' before '}' token
   63 |             solver(visit,graph[i][0],graph,ans)
      |                                                ^
      |                                                ;
   64 |             }
      |             ~